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For the Inventor, By the Inventor

Yokohama, Japan

Takashi Okazoe

This inventor holds 55 USPTO granted patents and 1 EPO patent, primarily in Fluorinated Compounds (CPC class C07C). Top assignees: Asahi Glass Company, Limited, The Green Cross Corporation, Asahi Glass Company, Linited. Active years: 1995-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Okazoe. Retrieved from https://idiyas.com/inventor/takashi-okazoe

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 55

% Patents Active = 58.2


Average Co-Inventor Count = 4.7

ph-index = 9

Forward Citations = 273(Granted Patents)

Forward Citations (Not Self Cited) = 218(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kanagawa, JP (1995 - 2010)
  • Yokohama, JP (1995 - 2010)
  • Tokyo, JP (2013 - 2017)

Company Filing History:

goldMedal54 out of 2,560 
 
Asahi Glass Company, Limited
 patents
silverMedal5 out of 264 
 
The Green Cross Corporation
 patents
bronzeMedal1 out of 1 
 
Asahi Glass Company, Linited
 patent
where one patent can have more than one assignee

Years Active: 1995-2017

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Areas of Expertise:
Fluorinated Compounds
Polycarbonate
Carbamate
Unsaturated Acids
Fluoropolyether
Fluorinated Ester
Perfluorodiacyl
Fluorinated Ketone
Fluorinated Vinyl Ether
Fluorosulfonyl
Fluorinated Diene
Fluoroadamantane
55 patents (USPTO):Explore Patents
1. 9796655 - Method for producing carbonate compound (2017-10-24),
2. 9617379 - Production method for carbonate compound and methacrylate or ester thereof (2017-04-11),
3. 9447235 - Polycarbonate manufacturing method and polycarbonate (2016-09-20),
4. 9260383 - Method for producing carbamate compound, carbamate compound, and method for producing isocyanate compound using same (2016-02-16),
5. 9238612 - Method for producing unsaturated acid and/or unsaturated acid ester (2016-01-19),
6. 8927756 - Method for producing carbamate compound, carbamate compound, and method for producing isocyanate compound using same (2015-01-06),
7. 8703899 - Method for producing polyester, and fluorine-containing dicarboxylic acid ester compound (2014-04-22),
8. 8395001 - Processes for producing 2-chloro-1,1,1,2-tetrafluoropropane and 2,3,3,3-tetrafluoropropene (2013-03-12),
9. RE41806 - Process for producing a fluorine atom-containing sulfonyl fluoride compound (2010-10-04),
10. 7795375 - Fluoropolyether compound (2010-09-14),
11. 7781612 - Process for producing fluorinated sulfonyl fluoride (2010-08-24),
12. RE41357 - Process for producing a fluorine atom-containing sulfonyl fluoride compound (2010-05-24),
13. 7709665 - Processes for producing a fluorosulfonyl group-containing compound and a compound LED from the fluorosulfonyl group-containing compound (2010-05-04),
14. RE41184 - Process for producing a fluorine atom-containing sulfonyl fluoride compound (2010-03-29),
15. 7511177 - Fluoroadamantane derivative (2009-03-31),

Title: **Takashi Okazoe: Innovator in Carbonate Compound Production**

Introduction

Takashi Okazoe is a prominent inventor based in Yokohama, Japan, renowned for his significant contributions to the field of chemical engineering. With an impressive portfolio of 55 patents, Okazoe has established himself as a leader in developing eco-friendly processes for producing compound materials.

Latest Patents

Among his latest innovations, Okazoe has developed a method for producing carbonate compounds. This invention focuses on a production process capable of selectively generating various kinds of carbonate compounds with high yields, while avoiding toxic substances such as phosgene and crown ethers. Additionally, his method prevents the formation of corrosive by-products like hydrogen chloride and eliminates the need to remove chloroform through distillation. Another notable patent involves a comprehensive production method for carbonate compounds and methacrylic acid or its esters. This process includes multiple steps, such as obtaining hexachloroacetone and dialkyl carbonates, showcasing Okazoe's commitment to innovative chemistry solutions.

Career Highlights

Throughout his career, Takashi Okazoe has worked with esteemed companies such as Asahi Glass Company, Limited and The Green Cross Corporation. His work in these organizations has enabled him to further refine his patented techniques, contributing to advancements in sustainable chemical production.

Collaborations

Okazoe has collaborated with numerous talented individuals, including colleagues Kunio Watanabe and Masahiro Ito. Their combined expertise has enhanced the development of groundbreaking technologies and has fostered a vibrant environment for innovation in their field.

Conclusion

With a focus on environmentally sustainable practices in chemical production, Takashi Okazoe exemplifies the spirit of innovation. His extensive portfolio of patents not only highlights his ingenuity as an inventor but also contributes to the ongoing evolution of the chemical industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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